2192980

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{199}}^1$

素因数の和:256

約数の個数: 48

約数和(自身を含む): 5040000

約数和(自身を除く): 2847020

約数列:

[1, 2, 4, 5, 10, 19, 20, 29, 38, 58, 76, 95, 116, 145, 190, 199, 290, 380, 398, 551, 580, 796, 995, 1102, 1990, 2204, 2755, 3781, 3980, 5510, 5771, 7562, 11020, 11542, 15124, 18905, 23084, 28855, 37810, 57710, 75620, 109649, 115420, 219298, 438596, 548245, 1096490, 2192980]

約数ペア:

[(1, 2192980), (2, 1096490), (4, 548245), (5, 438596), (10, 219298), (19, 115420), (20, 109649), (29, 75620), (38, 57710), (58, 37810), (76, 28855), (95, 23084), (116, 18905), (145, 15124), (190, 11542), (199, 11020), (290, 7562), (380, 5771), (398, 5510), (551, 3980), (580, 3781), (796, 2755), (995, 2204), (1102, 1990)]